Mobile photo sharing has become one of the big photography trends over the past couple of years, and smartphone makers are now working hard to win the affections of smartphoneographer by developing better cameras and sleeker features. Two of the big players in the game, HTC and Nokia, are both generating some buzz this week through reports that they have some big photo-related plans in store for their upcoming phones.

The two (proprietary) technologies that are making headlines are: HTC’s “Ultrapixels” and Nokia’s “PureView.”

HTC has been working on something it calls “Ultrapixels”

On the HTC side of things, Pocket-link is reporting that HTC will be introducing a new camera sensor in its upcoming M7 smartphone — a sensor that will feature what the company is calling “Ultrapixels.”

The rumored 13-megapixel sensor won’t capture 13-megapixel photos. Instead, it will comprise 3 sensor layers that are each 4.3-megapixels, with the resulting data combined into a single sub-13MP photo.

With over 427 million phones sold in the third quarter of 2012, some industry watchers agree there is room for a few more big players to bring a creative operating system to the table.

Of course, iOS and Android OS are the ones most consumers are familiar with in the Google vs. Apple battle. Android devices were leading third quarter mobile device sales in 2012 at 72 percent followed by Apple’s iOS devices catching nearly 14 percent market share, according to astudy by Gartner. There are a few new operating systems on the scene that see things differently and are planning to grab some of the pie in upcoming 2013 mobile devices sales.

The first new operating system being brought to the table in the smartphone game isUbuntu, which has previously been an open sourced OS for PCs and televisions. Ubuntu has taken their full pe…………… continues on Houston Chronicle